Iron
Iron adjective - Not showing weakness or uncertainty.
Unshakable and iron are semantically related. In some cases you can use "Unshakable" instead an adjective "Iron".
Unshakable
Unshakable adjective - Not easily panicked or upset.
Iron and unshakable are semantically related. Sometimes you can use "Iron" instead an adjective "Unshakable".
Nearby Word: unshaken
Mutual synonyms
Related pairs
Both words in one sentence
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Characters with Nerves of Steel are of steel in the same way a physical body can be Made of Iron — they are nigh-unshakable.
Source: Nerves of Steel
Cite this Source
Unshakable and Iron. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/iron/unshakable
Iron & Unshakable. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/iron/unshakable>.
Unshakable or Iron. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/iron/unshakable.
Google Ngram Viewer shows how "iron" and "unshakable" have occurred on timeline